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VS-GWM420G module license Open Vox wireless VS-GW1202/1600/2120 series gateways to assistance GSM connection to the VoIP devices. Each module provides four GSM channels.

Support SIP/IAX2 Protocol

DTMF Mode: RFC2833/Inband/SIP Info

SIP V2.0 RFC3261 Compliance

Flexible Call Routings

Scheduled Reboot

Support MMP

Support for Custom Scripts, Dial plans

Support OpenVox Cloud Service

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About US

A VoIP GSM Gateway enables direct routing between IP, digital, analogue and GSM networks. With these devices (fixed cellular terminals) companies can significantly reduce the money they spend on telephony, especially the money they spend on calls from IP to GSM. The core idea behind cost saving with VoIP GSM Gateways is Least Cost Routing (LCR).

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